You wish to test the following claim (Ha) at a significance level of a = 0.001.H : μ = 59.1H : μ = 59.1You believe the population is normally distributed, but you do not know the standard deviation. You obtaina sample of size n = 83 with a mean of M = 61.2 and a standard deviation of SD = 11.5.What is the critical value for this test? (Round to three decimal places.)Critical value =What is the test statistic for this sample? (Round to three decimal places.)Test statistic = The test statistic is...O in the critical regionO not in the critical regionThis test statistic leads to a decision to...O reject the nullO fail to reject the nullAs such, the final conclusion is that...O The sample data support the claim that the population mean is not equal to 59.1.There is not sufficient sample evidence to support the claim that the population mean is not equalto 59.1.

It is hypothesized that:H0:μ=59.1 versus Ha:μ≠59.1.It is given that:The sample size, n=83. The…

Answered: You wish to test the following claim…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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You wish to test the following claim (H.) at a significance level of a = 0.01. d denotes the mean of the difference between pre-test and post-test scores. H,: H4 = 0 H: Ha >0 You believe the population of difference scores is normally distributed, but you do not know the standard deviation. You obtain the following sample of data: post-test 43.4 pre-test 8.1 64.2 34.7 47.6 44.1 46.1 90.4 34.3 16.9 42.6 62.7 23.3 34.2 35.4 51.2 40.1 22.7 69.7 50.3 56.7 17.2 49.5 14.2 43.8 30.5 60.7 93.6 33.6 68.5 24.8 56.7 68.1 57.7 60.6 28.8 55.9 43.4 57.2 63.6 42.6 42.2 42.2 53.1 a. What is the test statistic for this sample? Calculate this with pre-test minus post-test. test statistic - Round to 3 decimal places. b. What is the p-value for this sample? Round to 4 decimal places. p-value -
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